You have more control over your speakers' balance and fade, for example. While most amplifiers can be classified into class A, B, AB, or D, we will focus solely on AB and D, since most car amplifiers fit into these two categories. Also, you may not like the bright blue light on its display. Four-channel amps generate equal power through each channel. In fact, it is one of the few 4 channel amps with a Total Harmonic Distortion (THD) below 1 percent. It has a lot of power. It’s a great amp for mids and highs. Do the same thing for channels three and four. Essentially, the transistors have a constant current flowing through them, but when no signal is present, they reduce the amount of the current in the circuitry. Some vehicles have more space for audio equipment than others. This is especially true with the crazy peak power of 4000 watts, half of which is designated for the subwoofer. It has a tendency to warm up and can go into protection mode fairly easily. Still, you may have some questions about its functionality and how it compares to other types of amps.  If you're still not sure of the purpose of a 4-channel amp or have other basic questions about its operation, we've included some common questions and answers below. It’s compact, and it’s fairly easy to install. The Skar Audio RP-150 is a 4 channel car amplifier that is available in multiple power options to best suit your requirements. When you upgrade your speakers, an external amplifier provides the optimal amount of power in order to produce the best sound possible. Amps with 100 watts RMS or more per channel will produce even greater volume. Learn more. The amp is two-, three-, and four-channel operational and is stable at 1, 2, 4 and 8 ohms. Many 45 or 50-watt (RMS), four-channel amplifiers draw a minimum amount of power, which allows you to tap directly into the positive and negative leads for the car stereo head unit. Goes into protection mode easily if not properly set up, You must be mindful of its position in the vehicle. While some users have claimed it delivers better RMS wattage than advertised, there have also been some complaints about its performance. Compact 4-channel power.An amplifier shouldn’t take up too much space, especially in your car. Skar Audio RP-150 4 Channel Amp. While the main Alpine on our rundown can run a sub ably, it won’t blow anybody away– allegorically or actually. It meets all the necessary things you want from a car amplifier. In my opinion, 4 channel amps are some of the most flexible and the best value. JL Audio has introduced their next generation XD car audio amplifiers, calling the new series XDv2. JBL GTO 754 4 Channel Car Amplifier In Box . The most powerful multi-channel amp is the 1,000 watt unit, which provides clean and crisp power. If you really love music and prefer to hear hard-hitting bass and crisp, clean highs and mids, then you may want to invest in some aftermarket audio equipment, such as a 4-channel amplifier. It’s extremely compact size means it can be tucked away in the dashboard. It’s compatible with almost any audio system and delivers a wide frequency response. Speakers with a top RMS rating of at least 50 watts are fine for smaller vehicles, such as sports cars and hatchbacks. The major drawback is this amp is a little pricey compared to some of its competitors. 150 watts RMS x 2 bridged output at 4 ohms, Channels may stop working  after a short period of use. While background noise occurs in most amplifiers, you don’t want to hear it easily. JBL GTO 754 4 Channel Car excellent condition, can also deliver this if required.Please Note: This item is located in Stirling for a viewing, Thankyou That's why you need the best 4-channel amp for sound quality. Even if you already have an amp and sub installed in your vehicle, they may not be providing the pop that you want from your music, particularly if they don't have the wattage you desire. The amp adds clean and precise power to your system at an affordable price. Additional power will boost the depth of the music. It delivers a clean, loud, and powerful sound. The amp is compact, efficient, and produces great highs and mids. This, together with the rest makes it the best compact 4 channel car amplifier in our opinion. When you buy through links on our site, we may earn an If you want to add a subwoofer to your audio system, you need an amplifier because a sub requires more power than the speakers do. It produces crystal clear mids and highs at any volume level. When you buy a vehicle it typically comes with a basic audio system. Similarly, you can switch this amplifier from the 3-channel to the 2-channel mode depending on what you need. Our top pick is the Alpine 4-Channel Car Amplifier. They can make a huge difference to what is often referred to as 'deck power' from a factory radio. With a 4-volt preamp yield, you can run the flag from the JL Audio for your 4 channel 6×9 setup into a second amp for a subwoofer. Although a 4-channel amplifier, the Alpine MRV-F300 can be run as a 3-channel amplifier to power a subwoofer along with two other speakers. The power of class D amps makes them very popular in-car audio systems. At a minimum, it powers two sets of full-range speakers, but it can also power two subwoofers or a single dual-voice-coil subwoofer. They may be tiny, but if they're high-quality and made by a well-known brand, they can produce a mighty punch. If you buy an off-brand, it may not be as reputable, and the product may be inferior. A 4 channel car amplifier, as you may have already guessed, is extremely similar to most 2-channel (stereo) car amplifiers. The amplifier can be a good option for users looking for an amp that can be used for door speakers. Also, like all amps, it can get a little hot during operation. As a result, many car audio systems use these types of full-range amps. Also, think about how much you have to budget for the amp. This results in a switched or pulsed output signal. It’s easy to install and quite reliable. The chassis is small and simple, and the power output is suitable for a wide range of sound systems. The sound quality that R400-4D produces is just excellent for the price. Its high- and low-pass filters boost performance, and it has over-current and short-circuits protection. Overall, the amp sounds great, and there is a noticeable increase in volume to your system. Considering the price this output is way more than one would expect. It's easy to make mistakes if you don't pay attention to the specs of the various components in the audio system. The amp has plenty of power and perfectly pushes component speakers. To combat this issue, amps will include a low-pass filter because lower frequencies don't experience the same problem. They are much more efficient than class A amps but don't have as much distortion as class B amps. Once you've decided to invest in the best 4-channel car audio amplifier, there are several things you need to take into account before making a purchase. To come up with the top reviews and comparisons of the best 4 Channel Car Multichannel Amplifiers, we examine a lot of buyers reviews.In order to create the list of the best 4 Channel Car Multichannel Amplifiers we analyzed exactly 1717 reviews.The way that we analyze reviews for 4 Channel Car Multichannel Amplifiers … If you're creating a custom sound system, there are some things you need to remember in order to set everything up properly. It features high- and low-pass filters, so you can adjust the sound depending on whether you’re driving speakers or subs. If you find a 4 channel car amp with great sound quality, it would feature 90dB or higher. Doesn't pull crazy current, about 25a at full tilt, and is clean at 138w per channel for the 6.5 and 248w for the sub. However, there are a few differences you should be aware of. Top of our list of car amplifiers, this one works with both factory installed and aftermarket source units. Being a Class D amplifier R400-4D is quite efficient on power. The thermal flow chassis prevents the unit from overly heating or stressing the electrical system. I usually use Boston Acoustics or Kicker for power but I'd buy this one again with no … Versatile and compatible with most systems. A: A 4-channel car amplifier amplifies an electrical signal and sends it through each one of its channels to the speakers. Fortunately, technology has advanced to the point where you can find several small amps that have the ability to produce clean audio. Nobsound Lepy HiFi Stereo Multimedia 4-Channel Bluetooth Power Amplifier Audio Booster USB SD DVD CD FM MP3 for Car Vehicle Home Booster Remote Control & LED Display Screen with Power Supply 4.5 out of 5 stars 28 Sony XM-N502 Stereo Power Amplifier 4.4 out of 5 stars 381 With its backlit red glow, the Boss Audio PF2600 Phantom is both visibly and audibly impressive. You can access the tuning controls through a removable top panel and paint the trim of the device to match your vehicle’s interior. The Punch P600X4 is a 4-channel amplifier manufactured by the firm named Rockford. Rockville 4 Channel CEA Compliant Car Amplifier, 3 A four-channel amp outputs power through four separate channels. Still, you need to be careful where you put it because of the heat it generates. The amp can boost your receiver’s output by 45 watts RMS by four channels or it can be bridged for 2 x 90 watts. This class D amplifier sends 100 watts RMS to each speaker, or you can bridge the channels to power a sub with up to 300 watts RMS. When you upgrade your OEM speakers and add an external amplifier to your audio system, it makes a significant difference in sound quality. The R300X4 comes with a cast aluminium heatsink that includes top mount controls. It's very versatile and can be powered using either two, three, or four channels, depending on its purpose. brand-new never used bought for a project that never took off grab yourself a bargain. They differ in the amount of power they produce and in their size, for example. Typically, other amplifier classes include characteristics from the main types of amps to boost performance. Class D amps rapidly switch the current on and off to the transistors. You can spend hundreds to thousands of dollars for the best high-end 4-channel car amplifier. Just like 2 channel (or single-channel “mono block” amps) they contain a power supply with steps up the +12V battery voltage to a higher one. Class AB amplifiers are analog. Car Amplifiers . There are also other variations, such as BD. Be careful not to overload your amp. They vary widely in price, depending on who makes them and the quality of audio they deliver. Best Overall: Alpine KTP-445U and KTP-445A If you have a bigger vehicle or want more volume, look for an amp with at least 75 watts RMS per channel. We curate, you discover! Our Rating 96/100 . The unit is very easy to install and efficiently uses the factory wiring, and there is no need for a separate power source other than the factory harness that is powering the head unit. It also includes a subsonic filter, a fully adjustable bass equalizer, and mute and delay soft start technology. Alpine X-Series 4/3/2 Channel Power Density Amplifier, Rockville 4 Channel CEA Compliant Car Amplifier, Car Bibles is reader-supported. We have come up with the top 3 amplifiers. Look at the RMS of the speakers and sub. That is why this Class-D amp might just be what you are looking for.The GM-D1004 is a compact amplifier that can easily be installed behind the dashboard of your car – cables are included! Featuring bass boost, high and low pass crossovers, and a remote subwoofer control, this 4-channel, bridgeable unit is suitable for most car audio setups. Features high- and low-pass filters, so you get the subs working well the! Everything up properly problematic with electronics because it can be powered using either two, three, or!. Plenty of power and perfectly pushes component speakers changed in the dashboard than class a amps do! 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